The best Apple Watch apps of 2021

Date:
Thu, 01 Jul 2021 09:37:51 +0000

Description:
Our list of the very best Apple Watch apps for fitness, sleep, travel and more.

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Its been an interesting period for even the best Apple Watch apps. Not too long ago, it seemed as if the Watch had lost its sparkle, with many big-name apps either languishing or being pulled from the Watch altogether - but as a new era approaches, it seems that things are much more vibrant in the Watch app space.

You see, the problem was one of function - app developers spending too much time wondering 'could we make an Apple Watch app?' and not 'should we...?'

When watchOS 6 landed, it brought an App Store to your Apple Watch for the very first time, thereby encouraging app developers to take the Apple Watch more seriously, and with watchOS 7 and the Apple Watch 6 - not to mention the iPhone 12 range - having since landed, there's never been a better time to join the ecosystem. Jump to best Apple Watch apps for...

- Best apps for fitness and health

- Best apps for sleep and music

- Best apps for photo and video

- Best apps for making life easier

- Best apps for email and messaging

- Best education and entertainment apps

- Best apps for news, money, travel, food and weather


Our favorite apps - the list of which is ever-growing - exist because theyre useful, or because theyre entertaining, or because they make your life that little bit better.

In this round-up youll find apps for podcasting and procrastinating, for getting fit and getting stuff done, for messing around and for sorting stuff out.

So if you've revently been given a new Apple Watch, or just want to refresh your stock, dive in and start getting the most out of your Apple Watch, and make sure to check this article regularly, as we'll add a new app every
couple of weeks, highlighted below. Best new Apple Watch app: Dog Training & Clicker by Dogo (Image credit: Dogo App UG) Dog Training & Clicker by Dogo Various subscriptions

Why should humans have all the fun of fitness apps? With Dogos app you can teach your dog new tricks, improve their fitness and help them master important skills. Its designed to help you train your dog in skills such as basic obedience commands sitting down, recalling and so on as well as more advanced ones such as fetching the leash or walking to heel.

The iPhone app introduces you to the various commands via video tutorials,
and then you can take the tricks out and about with your Watch. The app has a clicker with a range of selectable sounds that you can use to create an association between the clicker and your dog receiving a reward, and it also includes quick visual guides to tricks and rewards.

The app offers six different dog training programs: new dog, basic obedience, impulse control, staying active, strengthening friendship and a program for service or assistance dogs. The app is free for seven days, so you and your dog can put it through its paces. After that there are various subscriptions, including $9.99/9.99/AU$15.99 a month and $99.99/99.99/AU$159.99 for a year. Best Apple Watch apps for fitness and health

There's no denying that the main thrust of the Apple Watch since the second model is for fitness: it's packing GPS, heart rate, water resistance and improved sensors to make the most of the fact people like to work out with this thing - it even connects to gym equipment.

This list of Apple Watch fitness, running, wellbeing and health apps are nearly all must-have - if you're going to do one thing with your new Watch, use it to become a healthier you in mind and body. Watch to 5K (Image credit: Ben Callis) Watch to 5K $2.99 / 2.99 / AU$4.49

If lockdown has got you thinking about fitness, Couch to 5K is a great way to get into shape and if youre thinking about Couch to 5K, then Watch to 5K is
a great way of tracking it. The app is designed for absolute beginners who want to work towards running a 5K over a period of 9 weeks, and it creates a training plan of three runs per week for nine weeks.

The schedule will be different for every week, and if you complete all nine weeks you should be able to achieve 5K in under 30 minutes.

The app can work on its own, which is one of the reasons its creator made it: he was fed up with 5K training apps that needed you to lug your iPhone along for the run. So he wrote one that didnt. It provides key metrics such as your distance traveled, your average pace, your calories burnt, and your heart rate, and all the details of your workouts are stored in Apples Health app.

As youd expect your runs are tracked and count towards your goals in the Fitness app, and you can record your route to review it later. We like this app a lot: its a simple, useful, and effective app from an independent developer who spotted a problem and wrote an app to solve it. Time to Walk (Image credit: Apple) Free with Apple Fitness Plus

Time to Walk is a new and really rather inspired idea for Apple Fitness Plus subscribers: it enables you to go for a long walk while listening to a
notable figure tell their story. As Apple puts it:

Each Time to Walk episode is shaped by the guests personal, life-shaping moments and includes lessons learned, meaningful memories, thoughts on
purpose and gratitude, moments of levity, and other thought-provoking topics, recorded while walking outside or in locations that are meaningful to them. The narrative comes to life through photos that appear on Apple Watch, perfectly timed to amplify a corresponding moment the guest shares.

If youre a wheelchair user, Time to Walk will become Time to Push and will automatically start an Outdoor Wheelchair Walk Pace workout.

There are four guests at the time of writing: the legendary Dolly Parton, NBA star Draymond Green, musician Shawn Mendes and Orange Is The New Black star Uzo Aduba.

There will be new episodes every Monday until the end of April 2021, and they will be downloaded automatically if you have a Fitness Plus subscription, appearing automatically in the Workout tab on your Apple Watch Fitness app. Each episode will be 25 to 40 minutes long and will come with a music
playlist to keep you walking or pushing afterwards. Apple Fitness Plus (Image credit: Apple) $9.99 / 9.99 / AU$14.99 per month

Apples long-promised move into premium fitness apps launched in December
2020. Apple Fitness Plus is a subscription service rather than just an app, but it has been designed with the Apple Watch in mind: it uses the Watch sensors to track your workouts and to respond to whats happening on screen on your iPhone.

For example, if your trainer says to check your heart rate, your Apple Watch will display that data; in tough workouts itll display a countdown timer to help your motivation, and the optional Burn Bar tells you how your
performance compares to other people whove completed the same workout that youre doing.

Subscriptions cost $9.99 / 9.99 / AU$14.99 per month and are also available
as part of Apple One bundles. You can share your subscription with up to six family members without having to take out an Apple One Family or Premier
plan.

To use Apple Fitness Plus on your Apple Watch youll need watchOS 7.2 or
later. Theres no new app to install: fitness appears as a new tab in the Fitness app on your iPhone, and your Watch will respond automatically based
on the workouts and/or training you select in the iPhone app. The app is also available for iPad and Apple TV. Moodistory (Image credit: Christoph Matzka) Moodistory $4.99/4.99/AU$7.99

Most of the Apple Watch apps in the health and fitness category are trackers of some kind: step trackers, calorie trackers, cycle trackers and so on. Moodistory is a tracker too, but its interested in your mental state rather than your physical performance.

The newly added Apple Watch companion app means its one of the fastest ways
to record your mood and give it context, and its designed for sheer speed of entry: if you want to leave detailed notes thats best left to the iPhone app. On your Watch you just tap and go.

Mood tracking can be very useful for people whose mental state has its ups
and downs, or for people who want to get an understanding of the patterns
that may shape their moods.

By recording how you feel over a period of time you can begin to see if there are particular trends, and if youre also including contextual information
that information can help you identify any triggers that might bring you down or lift you up. You can even collate the information and output it in PDF
form from the iPhone app, which may be useful if youd like to share your mood history with a counsellor or other qualified professional. Heart Analyzer (Image credit: Helix Apps LTD) Heart Analyzer Free / IAPs

We featured version 7 of Heart Analyzer back in 2019 and liked it a lot. Version 8 is new for 2020 and its a very big update especially on iPhone, where it has a brand new and very nice user interface.

Unfortunately the Apple Watchs display is rather limited compared to the phone, but while the Watch component isnt quite as pretty as the new iPhone app, its still very effective and makes good use of the available space.

On your wrist, Heart Analyzer v8 comes with improved, customizable complications for the Infograph faces so that you can have your heart rate chart right there in front of you. The Watch app offers live heart rate monitoring and trend charts, weekly metrics and workout views, and it can
also record calories burned and distance traveled. As youd expect, it integrates well with Apple Health.

Things are even more impressive on iPhone, where you can view personalized metrics such as day/night resting heart rates, average heart rates, and historical data going back years. The new interface makes everything much clearer and achieves the tricky balance of giving you lots and lots of data without being overwhelming. Peloton (Image credit: Peloton Interactive, Inc.) Peloton Free with in-app purchases

Dont let the name fool you: although its named after a bike race term and is primarily designed to accompany the famously expensive exercise bike, Peloton isnt just about cycling. Its a fitness helper for running, yoga and high intensity training too, and it can also help you with meditation through its guided learning sessions.

The Peloton app offers a useful combination of streaming video classes, progress tracking, and music playback to keep you motivated. The latest app introduces a particularly cool feature: you can now use Chromecast to send
the video from iPhone or iPad to compatible TVs for that big-screen experience, and you can pre-load the video to make sure you dont encounter
any buffering during a workout.

The Watch component has much less screen space to work with, but it does a
lot with what its got. It displays pace and distance metrics for runs, heart rate tracking for all kinds of exercises, and all the stats you could want.
It also integrates with Apples Health app to keep your vital statistics up to date. The app doesnt just connect to your Apple Watch: if you have Bluetooth-enabled monitors you prefer, you can connect them too. Strava: Run
& Ride Training (Image credit: Strava, Inc.) Strava: Run & Ride Training Free with in-app purchases

Strava needs no introduction for serious fitness fans: its one of the worlds top fitness apps for runners, cyclists and swimmers, as well as gym-goers, kayakers and yoga practitioners. The latest version brings proper support for the Apple Watch, enabling you to sync workouts and activities youve recorded with Apples Workout app with the Strava app and its online tracking, to build a better overall picture of your fitness activities.

Strava is on a constant update cycle, so just days after the Apple Watch sync was introduced there was another update with improved stroke analysis for swimmers and better cadence analysis for runners; two weeks previously there were new features for skiers and for activity sharing, as well as a bunch of interactive 3D maps.

The big selling point of Strava is its social aspect, which elevates it above other GPS-enabled fitness apps: you can compare your performance not just
with yourself but with other users, you can compete to become the king or queen of particular geographical leaderboards, and you can share with friends and followers to get encouraging words and helpful feedback.

The best bits are in the Premium subscription, which is fairly cheap by fitness-app standards: its currently $5.99/5.99/AU$9.99 a month or $59.99/44.99/AU$89.99 a year. Hole19 Golf GPS & Scoring (Image credit: Stat Track Technologies Lda.) Hole19 Golf GPS & Scoring Free (in-app purchases)

Hole19 claims to be the most-used golf GPS range finder in the UK, with more than 10 million rounds registered, and it claims to be as accurate as a real caddie although it doesnt specify which one.

As is usually the case with sports apps the bulk of the work is done by the iPhone app, with the Apple Watch companion providing just the essential features and information you need while youre on the green.

The main app offers two key tools: GPS range finding so you can see how far you are from your goal as well as any hazards, and a digital scorecard that you can use to track your stats over time.

On your watch, it shows you the distance to the front, center and back of the green; swipe and theres an input screen where you can track your performance. Its all very simple and straightforward, enabling you to track your playing without distracting you for too long.

The usefulness of the app depends mainly on whether it knows about the course(s) you want to play. Hole19 knows over 42,000 courses in 201
countries, so yours should be covered, but the apps free to try so you can make sure its right for you before signing up for a subscription. Seven - 7 Minute Workout (Image credit: Perigee) Seven - 7 Minute Workout Free/IAPs

What can you do in seven minutes? You could listen to one and a half pop songs. You could watch one-tenth of an episode of Game of Thrones. Or you could change your life. Thats what Seven promises. Its an app based on the idea that anybody can get much fitter if they can spare just seven minutes a day. No gym memberships, no equipment, just you and your Apple Watch.

Wed recommend starting with the phone, though: it shows you how to do each exercise properly, something the Apple Watchs screen isnt big enough for. Theres no point knocking yourself out for your seven minute stretch if youre doing it wrong and causing more harm than good. Once you know what you need
to do though you can rely on your Watch to time your exercises and breaks and to record your activity.

The app is easy to use, packed with useful exercises and provides good visual feedback and motivation. You can compete with your friends or just earn
in-app achievements, and if you sign up for the $9.99/9.99/AU$14.99 monthly subscription you get access to over 200 exercises to keep your regime interesting. By enabling you to exercise anytime, anywhere, Seven might just help you get the exercise habit. Swing Tennis Tracker (Image credit: Mangolytics Inc.) Swing Tennis Tracker Free/IAPs

Built for serious tennis players under the guidance of Andy Roddick and James Blake, Swing Tennis Tracker is designed to analyze your swings as well as record your stats. It isnt just a solo app: it can also sync scores with
other Apple Watch users on the court. Theres excellent Siri integration for starting matches and practice, integration with the Activity and Health apps, and excellent visual feedback to show you how hard youre hitting.

The Watch component concentrates on the recording and feedback, while the phone app takes care of scores, stats and video, as well as providing action advice after each hit. Its a great app for individual players but it can also be used by parents, coaches and in teams, to track others performance too.

There are two subscription plans, the $4.99/4.49/AU$7.99 per month Premium
and the $9.99/9.49/AU$15.49 Pro. The former unlocks historical statistic graphics, head-to-head records against non-Swing users and unlimited analysis graphs for each session, while the Pro subscription adds video lessons from tennis pros and intelligent analysis of your performance that identifies key areas for improvement after each session. Start With Yoga Image credit: I/O Assembly (Image credit: I/O Assembly) Start With Yoga $2.99/2.99/AU$4.49

Start With Yoga does exactly what the name suggests: its designed to help you get started with Yoga. It was designed partly out of frustration with other yoga apps, which didnt come with independent Apple Watch apps. As the developer told us: Most yoga apps need you to look at your phone, which
doesnt really work for yoga. Hence this yoga app for your Apple Watch, which enables you to stay far away from the distractions of your iPhone.

Its very simple, and thats part of its charm. You get five pre-defined routines to begin with, and you can use the iPhone part of the app to create your own custom ones from the clear and cute illustrations. Tell the app how long you want to hold a position for, and it will monitor each stretch,
moving on to the next one when its time.

The emphasis is very much on yoga beginners here: while the app doesnt
include some of the more advanced positions more experienced practitioners might expect, theres nothing here thats likely to put your back out either - although as with any exercise app, always get expert advice if you have any health or fitness issues that might affect your ability to exercise. Nike Run Club Nike Run Club Free

The ongoing love-fest between Nike and Apple continues to bear fruit: the latest iteration of the Nike Run Club app introduces some welcome improvements.

It now integrates with Siri Suggestions, which means the app can now suggest good times for a run based on your previous runs (the feature is off by default so it wont nag you if you dont want it to), and there are new Apple Watch complications including one for the Infograph face that shows how far youve run this month.

Theres hardly a shortage of running apps in the App Store but Nikes budget is a bit higher than most, so the app feels a lot more premium than many others. It tracks and stores all your runs thanks to your Watchs built-in GPS,
enables you to listen to audio guides as you run, offers a range of
challenges to keep you motivated and has good social sharing features, so you can turn your friends into cheerleaders.

Its very well designed and the Watch app doesnt sacrifice substance for
style: while visually its very attractive it also shows all the information you actually need as youre pounding the pavements. Its a really good running app. Nike Training Club Nike Training Club Free

Nike and Apple are best friends forever, so its not a huge surprise to see Nike unveil another Watch app. This ones really good, too. Describing itself as your ultimate personal trainer, Nike Training Club has more than 180 workouts covering strength, endurance, mobility and yoga, and theyre all
free. There are daily personalized picks based on your previous activity, flexible training plans to help you achieve your fitness goals, and tips from top trainers.

The app splits jobs between phone and Watch. The former is where you do the planning and tracking; the latter is what you wear while youre actually working out. By necessity as well as design that means focusing only on the information you really need right now, such as your heart rate and how many reps you still have to do before you can undo all your efforts with some cake and beer.

The app is by no means unique in its combination of Watch and workout tracking, although it does have Nikes immediately recognizable and individual visual style. But whats significant about this app is that none of its many workouts are hidden behind in-app purchases or pricey subscriptions. Everything in the app is free. Headspace Headspace Free + in-app purchases

If youve ever felt that life is just that bit too busy or stressful,
Headspace could help. Its based around mindfulness, which is all about
getting you to feel calmer without too much effort. In fact, its the opposite of effort: mindfulness is about taking a break from the rush.

The Apple Watch app is part of a wider offering for iPhone and iPad: it acts as a reminder and a coach, urging you to pick an exercise and focus on it for the allotted time. It also has an SOS mode for when things feel too much and you need help instantly. But its the main app that does most of the work,
with daily mindfulness exercises and sessions designed to help with
everything from workplace stress to sleep problems.

Its very well done but one thing that might raise your stress levels is the cost: while the app is free to try it really needs a subscription to unlock its most useful features, and that subscription is $12.99/9.99/AU$19.99 per month or $94.99/74.99/AU$149.99 per year. Thats an auto-renewing subscription too, so you need to disable that in iTunes if you dont want it to recur automatically. WebMD WebMD Free

Medical apps dont just exist to persuade you that your mild headache is terminal brain cancer. They can help keep you healthy too. While WebMD does indeed let you compare your symptoms with various illnesses and conditions to scare yourself silly, thats not the most interesting thing about it or its Watch companion app.

WebMD enables you to detail your medication schedules, with dosage
information and the option to be reminded of what you need to take and when you need to take it. This can be in the form of a notification, or you can have it as a Watch face Complication so its right there in the middle of the display.

It can also remind you of any prerequisites, such as whether you need to take your medicine with food or on an empty stomach. Its the sort of simple but very useful thing the Apple Watch does well.

Over on the main iPhone app theres plenty more to discover. You can read up
on the side effects and precautions of specific pills or patches, find out if you need to go hiding from the flu or just catch up on the latest health and wellbeing news from various credible sources. WorkOutDoors WorkOutDoors $2.99/2.99/AU$4.49

If your idea of good exercise involves going far from the madding crowds, youll like WorkOutDoors. Its a workout app thats based around vector maps
that you can easily rotate and zoom, tracking your location and your
progress.

It uses the Watchs GPS (if you have a GPS-enabled Watch) so theres no need to take your phone on a hike, cycle or snowboard run, and features such as breadcrumb tracking, custom points of interest and customizable stats
displays enable you to make the app truly your own.

In a nice touch you can export your workouts from the iPhone app in GPX format, which can be imported into many other workout apps and sites.

Its very, very well thought out. For example, something as simple as the
stats display is available in a variety of sizes to suit different kinds of activity (not to mention different levels of eyesight).

It makes good use of color-coding to make routes crystal clear, waypoints can provide extra information such as directions, and the map automatically rotates as you move so youre always sure of the right direction. Its a brilliant app for pretty much any outdoor activity. Streaks Streaks $4.99/4.99/AU$7.99

The trick to living better isnt to damn near kill yourself on a treadmill and then give up after a few weeks. Its to make smaller, lasting changes to your life, changes that you can and will actually stick to. And thats what Streaks offers.

Whether youre trying to eat more healthily, exercise more or break a smoking habit, Streaks enables you to track positive and negative habits. It offers a range of reporting tools so you can see exactly how well youre doing, and you can track up to 12 different tasks at once.

They neednt be exercise or eating tasks: you can remind yourself to walk the dog, study, take vitamins or practice a musical instrument. Its good to see wheelchair users included in the default tasks list too.

Where Streaks really shines is in its integration with the Health app, which enables it to pull data to use for monitoring suitable targets youve set.
That reduces a lot of the form-filling of similar apps, and its particularly effective if youre trying to work on good healthy habits or eliminate unhealthy ones, or both.

Theres a Complication too, so that you dont forget your goals, and the whole thing is customizable so that you can get it just-so. MyFitnessPal MyFitnessPal Free + IAPs

Information is power and if you're trying to lose weight, calorie tracking is a good way to stay focused. MyFitnessPal works out a daily calorie allowance based on how much weight you want to shed. Eat a meal and your allowance is spent, take exercise and you earn credit.

The Watch gives you a running total of remaining calories and how that breaks down into protein, carbohydrates and more. It can integrate with your steps total so you don't have to add those manually. It's simple but convenient and helpful. Walkmeter GPS Pedometer Walkmeter Free + $9.99/9.99/AU$14.99 IAP

If walking's your thing, Walkmeter helps track your every step, showing your perambulations on a map and generating detailed graphs. The Watch app has clear data reporting and you can start and stop a walk from your wrist using the Watch's Force Touch actions.

Apple's own Workout app does a lot, but this app has more detail and the mapping detail on the iPhone is great. The app is free but for full Watch performance you need to upgrade to the Elite version for $9.99/9.99/AU$14.99. There's a lot here, including training plans and announcements as you hit targets or distances. CARROT Fit CARROT Fit $3.99/3.99/AU$5.99

You may know CARROT from its weather app, which combines Dark Sky-style weather forecasting with sarcasm and lies. But CARROT wants to make you unhappy in many other ways - and whats better for a sadistic AI than being in control of a fitness app?

Enter CARROT Fit, which takes a somewhat unusual approach to motivating you
to get healthier and lose weight.

CARROT promises to get you fit - or else. To achieve that it offers a dozen punishing exercises (more are available via in-app purchases) accompanied by threats, ridicule, bribes and the occasional compliment.

Its rude, crude and much more entertaining than trying to complete the rings on Apples own activity tracker, and were pretty sure its the only fitness app that rewards progress with cat facts. But theres a proper fitness tracker in here too: itll track your steps and weight loss, remember your workouts and add data to Apples health app.

Most of the personality is in the main iPhone app, but the Watch alerts include such cheery prospects as seven minutes in hell. If you find getting fit or losing weight a little bit tedious, CARROT might be the, ahem, carrot that you need to get motivated. Lose It! Lose It! Free / in-app purchases

If your Watch strap is feeling a little more snug than it used to, this app may be the answer: its designed to help you achieve your weight loss goals without the unsustainable gimmicks, fad diets, restrictive foods, on-site meetings, or large price tags of other weight-loss companies.

It tracks the calories youve consumed and the goals youve set, focuses on nutrition as well as overall calorie intake, works happily with other fitness apps and trackers and provides an online peer group where everybody
encourages each other to achieve their ideal weight.

It also enables you to set exercise goals and focus on general wellness, so its not just about losing weight.

The Apple Watch app doesnt replace the phone app completely - for example, youll need your phone handy if you want to use the barcode scanner to automatically record what youre eating, and the team-based features such as group challenges are phone-based - but its a great way to focus on your
goals, monitor your progress and keep your motivation no matter how sorely tempted you may be.

The program is $39.99/29.99/AU$62.99 per year but you can explore the app for free without signing up. Mount Burnmore Mount Burnmore Free / in-app
purchases

Fitness fanatics look away now: for those that find exercise really boring, and their get up and go often gets up and goes while they stay sedentary. Mount Burnmore could be the answer to that lethargy: it turns fitness into a game.

The concept is quite clever. Mount Burnmore depends on active energy, which
it pulls from the Health app: the more calories youve burned, the more active energy you have in the game.

When you have sufficient energy you can attempt to solve the games puzzles, which involve finding routes around the titular mountain, collecting in-game items and smashing things with a pickaxe.

Theres a Complication that enables you to see your progress without launching the full game, and the app makes good use of the Digital Crown to help you navigate around larger levels later in the game. There are also leaderboards to compare with other players and in-game challenges to win freebies.

Its bright, breezy and a bit brash, and we suspect its best suited to older children rather than grown-ups - although if you do give this one to the kids you might want to disable in-app purchases, as they can be used to buy
in-game items. Happier Happier Free

Mindfulness, the art of focusing on being present and aware in the world instead of being constantly distracted by things and thoughts that dont matter, isnt something youd associate with the Apple Watch. If you arent careful with your notification settings your Watch pings away merrily all
day, interrupting countless trains of thought.

But the Happier app hopes to use the Watch to make you feel better, not more harassed.

The app itself is free, but its designed as a gateway to paid-for mindfulness courses. If you dont go for them you can still take advantage of the app, though. You can tell the app how youre feeling - we suspect meh is the most-used option - and it then responds with uplifting quotes to help you
feel a bit more optimistic.

It can pop up to remind you to take a meditation break, and you can dictate a positive thought to a private journal or to the Happier community. Thats not as daft as it sounds: theres some evidence that keeping a journal of positive things can boost your mood over time.

Just be careful what and how you share: one iTunes reviewer says that they were able to locate their private journal with Google. Best Apple Watch sleep apps

It's worth noting that there aren't a lot of apps for sleep tracking, as the Apple Watch can't really last overnight on battery.

That said, there are some clever apps to do it, and many people are now on their sequel Apple Watch and can even have one for the day and one for the night - so sleep tracking with your 'Night Watch' is possible. NightWare (Image credit: NightWare) NightWare Free

NightWare is an app that you can only get if its prescribed by your doctor, and for now its focusing on ex-military personnel. Its a US, FDA-approved app for people who suffer from PTSD-related nightmares, and it uses the Apple Watch motion and heart rate sensors to detect when youre having a nightmare.

It then uses the Watchs haptic engine to rouse you without waking you up so it breaks the nightmare without breaking your sleep. Its a good example of
how wearable computing can be used for more than just fitness monitoring and vital sign tracking.

The app works by monitoring your sleep patterns for around ten days, using
the heart rate, accelerometer, and gyroscope data to calculate what the
makers call a stress threshold. If your sleep goes through that threshold it indicates that youre having a nightmare and the Watch
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